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Completed Not applicable Interventional

Pediatric Second Influenza Dose Portal Reminder Recall

ClinicalTrials.gov ID: NCT04668417

Public ClinicalTrials.gov record NCT04668417. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 11, 2026, 7:06 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Patient Portal Reminder/Recall for Influenza Vaccination in the UCLA Health System- Pediatric Second Dose

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This trial is taking place in Los Angeles, CA among patients from primary care practices within the UCLA Health System. The study design is a parallel 2-arm trial. The parallel arms are 1) a reminder letter for the second dose of influenza vaccine (reminder messages sent via the patient portal) with a direct appointment scheduling link included in the reminder and 2) a reminder letter for the second dose of influenza vaccine, but no direct appointment scheduling link included.

Study identification

NCT ID
NCT04668417
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Enrollment
698 participants

Conditions and interventions

Eligibility (public fields only)

Age range
6 Months to 36 Months
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 14, 2020
Primary completion
Mar 31, 2021
Completion
Mar 31, 2021
Last update posted
May 27, 2021

2020 – 2021

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
University of California LA Los Angeles California 99095

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04668417, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 27, 2021 · Synced Sep 11, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04668417 live on ClinicalTrials.gov.

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